By Irving Kett
The aim of this guide is to familiarize and scholars with the know-how of asphalt in its a number of varieties particularly asphalt cement, cutback asphalt, and asphalt emulsions. The laboratory paintings is designed to boost an realizing of asphalt homes, features, trying out techniques, and standards.
The techniques defined are all derived from ASTM designations and perform as steered by means of the Asphalt Institute. the place the actual ASTM procedure allows trade tactics, the only extra appropriate to the on hand apparatus and the educating scenario was once chosen.
The guide includes the following:
ГІ 35 of the usually used ASTM checks in Asphalt Binder and combine Design.
ГІ pattern computations and simple to take advantage of info sheets, so much of that have been constructed in particular for the manual.
ГІ An up to date assessment of Asphalt know-how together with assets, historic improvement, and classifications of asphalt products.
ГІ effortless to appreciate causes for Voids Mineral combination, Absorbed Asphalt, powerful Asphalt content material, percentage Air Voids, and percentage of Voids choked with Asphalt.
ГІ A stand-alone asphalt guide, written particularly for collage laboratory guide, but appropriate for a advertisement trying out laboratory. hardly ever will different reference fabrics must be referred to.
ГІ Dimensions in either the SI and the U.S. typical structures of measurement.
ГІ An appendix with conversion components, ideas of safeguard and techniques, evaluation of SHRP SUPERPAVE, rationalization of asphalt emulsions, and extra info sheets on single-sided pages.
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Extra resources for Asphalt Materials and Mix Design Manual
Timer Reading Minutes. 0 15 1 16 2 17 3 18 4 19 5 20 6 21 7 22 8 23 9 24 10 25 11 26 12 27 13 28 14 29 5. Flash point,0F. Temperature, 0 F. Fire point,0F. Temperature, 0 F. 6. Were the heating requirements met, as outlined in paragraph C of the instruction sheet? (a) , (b) , (C) . FLASH AND FIRE POINTS TEST DATA (ASTM D 92) 1. Material identification 2. Date Air Temperature 3. Apparatus used 4. Record below the temperature indicated by the thermometer at the beginning of heating and at the end of each 1-min.
7 mm V4in. 1 mm V«in. 530 0in. 05 mm Kin. 31 mm Ve i in. 94 mm %in. 16 mm Vi s i n . 0 . 265in. 20 mm 0 . 2 5 0 ± . 2 0 0 m m 6 . 3 mm° 6 . ° e 0 . 2 2 3 ± . 1 8 0 m m 5 . 6 mm 6 . 0 4 m m No. 14 mm No. 4 0 . 1 5 7 ± . 1 3 0 m m 4 . 2 3 m m 1 . 35 mm No. 66 mm N o . 070 mm No. 600 mm No. 8 0 . 0 7 8 7 ± . 0 7 0 m m 2 . 00 mm 2 . 2 1 5 m m No. 890 mm No. 12 0 . 0 5 5 5 ± . 0 5 0 m m 1 . 5 0 5 m m 0 . 4 mm I . 5 6 5 m m No. 330 mm No. 16 0 . 0 3 9 4 ± . 0 4 0 m m 1 . 0 8 0 m m 0 . 00 mm 1 . 1 3 5 m m No.
Clock time specimen removed from controlled water bath 8. ) 9. Weight of load on needle 10. Time of applicaton of needle to specimen 11. Temperature of controlled water bath F mm hr. hr. hr. hr. g sec. 0 F Penetrometer Readings Take readings until 3 penetration values are secured whose average meets the tolerance requirements. Circle the 3 penetration values used in computing the penetration value recorded on line 12. Report penetration value as the nearest whole number. Trial 1 2 3 4 5 6 7 8 Final Initial Penetration Value I I I I 12.